Noun. 1. drainage basin-the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet; flood control in the Missouri basin. catchment area, catchment basin, drainage area, river basin, watershed, basin.
Milkman syndrome. a generalized bone disease marked by multiple transparent stripes of absorption in the long and flat bones. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition.
Sjogren's syndrome is a common autoimmune disorder that attacks the mucus and moisture producing glands of the body, such as the glands that produce tears and saliva.In an autoimmune disorder, the body's immune system mistakes healthy tissues as foreign and potentially dangerous invaders into the body and attacks them.jogren's Syndrome: Sjogren's syndrome is an autoimmune disorder in which immune cells attack and destroy the glands that produce tears and saliva. Sjogren's syndrome is also ... more about Sjogren's Syndrome.